NEET Physics Wave Optics Questions Solved

In the Young's double slit experiment, if the phase difference between the two waves interfering at a point is ϕ, the intensity at that point can be expressed by the expression

(1) I=A2+B2cos2ϕ

(2) I=ABcosϕ

(3) I=A+Bcosϕ2

(4) I=A+Bcosϕ

Where A and B depend upon the amplitudes of the two waves.

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